exclude src/splicer from g3

Change-Id: Id1ecf20bb785e5979afa9e07ca4bb04a7d839fb7
Reviewed-on: https://skia-review.googlesource.com/6806
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Mike Klein <mtklein@chromium.org>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
diff --git a/public.bzl b/public.bzl
index a11bce4..1a959b2 100644
--- a/public.bzl
+++ b/public.bzl
@@ -108,6 +108,7 @@
         "src/images/*",
         "src/opts/**/*",
         "src/ports/**/*",
+        "src/splicer/*",
         "src/utils/android/**/*",
         "src/utils/mac/**/*",
         "src/utils/SkThreadUtils_win.cpp",  # Windows-only. Move to ports?